Home / 133,395.15-184,078.44-72,954.03

Finding the Fourth Proportional to 133,395.15, 184,078.44 and 72,954.03

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Solution

The fourth proportional to 133,395.15, 184,078.44 and 72,954.03 is: 100,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,395.15 : 184,078.44 = 72,954.03 : x
  2. Step 2: Convert to fraction form
    133,395.15/184,078.44 = 72,954.03/x
  3. Step 3: Cross multiply
    133,395.15x = 184,078.44 × 72,954.03
  4. Step 4: Simplify right side
    133,395.15x = 13,429,264,034.11
  5. Step 5: Solve for x
    x = 13,429,264,034.11/133,395.15
  6. Step 6: Final answer
    x = 100,672.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.